diff --git a/lib/media/drm_engine.js b/lib/media/drm_engine.js
index fad42a2990..beddb24183 100644
--- a/lib/media/drm_engine.js
+++ b/lib/media/drm_engine.js
@@ -1548,7 +1548,7 @@ shaka.media.DrmEngine = class {
       if (shaka.media.DrmEngine.isPlayReadyKeySystem(
           this.currentDrmInfo_.keySystem) &&
           keyId.byteLength == 16 &&
-          shaka.util.Platform.isEdge()) {
+          (shaka.util.Platform.isEdge() || shaka.util.Platform.isPS4())) {
         // Read out some fields in little-endian:
         const dataView = shaka.util.BufferUtils.toDataView(keyId);
         const part0 = dataView.getUint32(0, /* LE= */ true);